Marc Lawrence appeared in two episodes of
The Rifleman ― The Safe Guard
as Gavin, one of the crooks
―
Trail of Hate as Cougar,
he was the third member of the gang and the one who shot Noley.

He also appeared with Chuck in Arrest and Trial
(1964).

He has
appeared in The Untouchables several times. Columbia Pictures chief
Harry Cohn once told Lawrence that Johnny Roselli, a notorious
gangster, had said that he was the best hood in films. Lawrence
himself was often told by Italian hoods in his native New York
that he played them better than anyone else; ironically,
Lawrence is Jewish.

Was a
victim of the Hollywood blacklist in 1950 and, as a result, was forced
to leave the US to continue working as an actor.